42682320269 has 2 divisors, whose sum is σ = 42682320270. Its totient is φ = 42682320268.

The previous prime is 42682320227. The next prime is 42682320299. The reversal of 42682320269 is 96202328624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39158473225 + 3523847044 = 197885^2 + 59362^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42682320269 is a prime.

It is a super-2 number, since 2×42682320269² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42682320299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21341160134 + 21341160135.

It is an arithmetic number, because the mean of its divisors is an integer number (21341160135).

Almost surely, 2^42682320269 is an apocalyptic number.

It is an amenable number.

42682320269 is a deficient number, since it is larger than the sum of its proper divisors (1).

42682320269 is an equidigital number, since it uses as much as digits as its factorization.

42682320269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 497664, while the sum is 44.

The spelling of 42682320269 in words is "forty-two billion, six hundred eighty-two million, three hundred twenty thousand, two hundred sixty-nine".